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SubjectRe: [PATCH v15 06/10] arm64: Treat all entry code as non-kprobe-able
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On 07/15/2016 12:47 PM, Catalin Marinas wrote:
> On Fri, Jul 08, 2016 at 12:35:50PM -0400, David Long wrote:
>> --- a/arch/arm64/kernel/entry.S
>> +++ b/arch/arm64/kernel/entry.S
>> @@ -243,6 +243,7 @@ tsk .req x28 // current thread_info
>> * Exception vectors.
>> */
>>
>> + .pushsection ".entry.text", "ax"
>> .align 11
>> ENTRY(vectors)
>> ventry el1_sync_invalid // Synchronous EL1t
>> @@ -781,3 +782,5 @@ ENTRY(sys_rt_sigreturn_wrapper)
>> mov x0, sp
>> b sys_rt_sigreturn
>> ENDPROC(sys_rt_sigreturn_wrapper)
>> +
>> + .popsection
>
> Does the above sigreturn wrapper need to be included in the .entry.text
> section?
>

Apparently not. It wouldn't make sense for that to be in entry.text when
sys_rt_sigreturn() isn't. I'll put that in the list of changes.

Thanks,
-dl

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